What is the equation of the line that passes through the point (-1, -5) and has a slope of -2?
y = -2x + 11
y = -2x + 7
y = -2x -7
y = -2x - 11

Acompany wants to reduce the dimensions of its logo by one fourth to use on business cards. if the area of the original logo is 4 square inches, what is the area of the logo that will be used on the business cards?

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?